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@@ -12,117 +12,3 @@ A second to use simple WIFI-connection to form a network and develop a simple pr
Here each individual bell will be named in the network, knows its neighborhood and react to their action with communication and action to others.
A rule space for this has to be explored, starting with simple one-dimensional cellular automaton using Wolfram rules.
-.. figure:: doku/20160129_5_bells_working/bell_1_detail_contrast.jpg
- :width: 30%
-
- First bell for experimentation with hardware
-
-:Info: https://iaem.at/kurse/ws1516/kunst-und-neue-medien
-:Author: Winried Ritsch
-:License: (c) winfried ritsch
-:Repository: https://git.iem.at/ritsch/IoT-bells.git
-
-
-This project is a result of a seminar "Kunst und neue Medien" which searches for new media for the arts at the IEM Graz.
-
-
-conceptual formulation CA algorithm
------------------------------------
-
-- A routine should be written, where a one-dimensional cellular automaton, also known as Wolfram code [WCA]_ , can be assigned to each bell referred es not or cell.
-
-- Playing the bell is state "1" and not playing the bell is "0" within a time frame.
-
-- Every node represents one cell which is indexed.
-
-- Buttons can trigger the IoT Cell for initialization and debug.
-
-- on each node rules can changed
-
-background info for CA
-----------------------
-
-one dimensional cellular automata
-.................................
-
-The simplest nontrivial cellular automaton would be one-dimensional, with two possible states per cell, and a cell's neighbors defined as the adjacent cells on either side of it.
-A cell and its two neighbors form a neighborhood of 3 cells, so there are 23 = 8 possible patterns for a neighborhood.
-A rule consists of decisions for each pattern, whether the cell will be a 1 or a 0 in the next generation.
-There are then 28 = 256 possible rules.[4]
-These 256 cellular automata are generally referred to by their Wolfram code, a standard naming convention invented by Wolfram that gives each rule a number from 0 to 255.
-A number of papers have analyzed and compared these 256 cellular automata.
-As an example the rule 30 and rule 110 cellular automata are particularly interesting.
-
-rule numbering
-..............
-
-All 8 possible patterns of neighborhood are listed from the highest to the lowest number: 7..0 represented as binary code, result in 8 binary states which forms the rule number.
-
-E.g.: Rule 30
-
-+-----+-----+-----+-----+-----+-----+-----+-----+--------------+
-| 111 | 110 | 101 | 100 | 011 | 010 | 001 | 000 | neighborhood |
-+-----+-----+-----+-----+-----+-----+-----+-----+--------------+
-| 0 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | binary = 30 |
-+-----+-----+-----+-----+-----+-----+-----+-----+--------------+
-
-
-hardware
---------
-
-As a starting point the OLIMEX MOD-WIFI-ESP8266-DEV [OLI]_ was used, since available.
-For power supply an LiON battery with 1400mAh and small USB charger is used.
-A DC/DC boost converter is used to drive the solenoid over a MOS-Fet.
-
-For the bells, a development for powerflower bells from 2010 was used: aluminium pipes cutted to form proper frequencies intervalls for playing special harmonics.
-They are played with a hammer mechanism, extracted from broken piano, used also in the "Raum Musik" installation 2008 at Atlier Algorythmics.
-
-software
---------
-
-After using an SDK from Expressif, for this simple application and Arduino-IDE was used.
-A simple OSC-lib was written and using WIFI-Autoconnect as a first approach, later changing to a mesh WIFI-network.
-Communication between cells are done via OSC over WIFI as broadcast, so all actions can be monitored and controlled via a computer using Pure Data Patch [Pd]_.
-
-
-development steps
------------------
-
-1) setup an Arduino-IDE for ESP8266
-
-2) write cellular automaton rule, to set by Network.
-
-3) write a Wifi-Network algorithmn for a linear mesh with each 2 neighbors
-
-4) build hardware to drive a solenoid and play the bell
-
-For 4 we can go back to older art works, like flower power bells, where the idea came from and some hardware was build.
-For solenoids and hammers the artwork "Raummusik from 2008" can be used, where a lot of them still remaining.
-
-Intermediate Result
--------------------
-
-Hardware is prototyped and a first testing application written as firmware and PD-Patch.
-
-.. figure:: doku/20160129_5_bells_working/bells_cut_contrast.jpg
- :width: 30%
-
-Timing of the playing has to be refined to get better rhythmical context (see state-machine).
-
-.. figure:: doku/20160129_5_bells_working/bell_1_detail.jpg
- :width: 30%
-
- First bell for experimentation with hardware
-
-
-.. [SM] social machines is a series of art works which started within a workshop with the same name at the "medienkunstlabor" at Kunsthaus Graz 2008 under the leadership of winfried ritsch and was followed by some artwork of Atelier "Algorythmics" later.
-
-.. [PFB] Power Flower Bells network http://algo.mur.at/projects/powerflowerbells
-
-.. [WCA] Wolfram code is a naming system often used for one-dimensional cellular automaton rules, introduced by Stephen Wolfram in a 1983 paper: Wolfram, Stephen (July 1983). "Statistical Mechanics of Cellular Automata". Reviews of Modern Physics 55: 601–644.
-
-.. [OSC] Open Sound Control http://opensoundcontrol.org/
-
-.. [OLI] ESP8266 module from Olimex https://www.olimex.com/Products/IoT/MOD-WIFI-ESP8266-DEV/
-
-.. [Pd] Puredata, a graphipcal programming language for Computermusic http://puredata.info/
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